A documentary charts a profound moment in the understanding of Alzheimer’s. Plus: more twists in the case of slippery tycoon Robert Durst. Here’s what to watch this evening
9pm, BBC Two
If you were going to get dementia, would you want to know? Part terrifying, part hopeful, this documentary follows the children of Carol Jennings who, after her Alzheimer’s diagnosis in the 80s, lobbied for research into the disease being hereditary, which led to confirmation of a mutant gene. Charting what happened since, the film takes us to the question: are we in the Alzheimer’s treatment era? Hollie Richardson
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